Base | Representation |
---|---|
bin | 11100110100011000… |
… | …110101000000101111 |
3 | 2221212112000120101220 |
4 | 130310120311000233 |
5 | 1001333041214040 |
6 | 22114302434423 |
7 | 2143546031631 |
oct | 346430650057 |
9 | 87775016356 |
10 | 30943694895 |
11 | 121399aaa73 |
12 | 5bb6b92a13 |
13 | 2bc1a4a049 |
14 | 16d78daa51 |
15 | c118d72d0 |
hex | 73463502f |
30943694895 has 32 divisors (see below), whose sum is σ = 50428535040. Its totient is φ = 16197980160.
The previous prime is 30943694893. The next prime is 30943694911. The reversal of 30943694895 is 59849634903.
It is not a de Polignac number, because 30943694895 - 21 = 30943694893 is a prime.
It is a super-2 number, since 2×309436948952 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30943694891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540012 + ... + 594558.
It is an arithmetic number, because the mean of its divisors is an integer number (1575891720).
Almost surely, 230943694895 is an apocalyptic number.
30943694895 is a deficient number, since it is larger than the sum of its proper divisors (19484840145).
30943694895 is a wasteful number, since it uses less digits than its factorization.
30943694895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55255.
The product of its (nonzero) digits is 25194240, while the sum is 60.
The spelling of 30943694895 in words is "thirty billion, nine hundred forty-three million, six hundred ninety-four thousand, eight hundred ninety-five".
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